Answer:
invansions by barbarian tribes
the most straightforward theory for the western rome collaspe pins the fall on a string of miltary
A. city blocks laid out in a grid pattern.
C. a standardized system of weights and measures
The houses were built with stones and bricks, and some of the houses were multi-level, so B is not a feature of the ancient Indus cities.
Answer:
The Reformation was a movement within Western Christianity in 16th-century Europe that posed a religious and political challenge to the Catholic Church and in particular to papal authority.